SS X 33 CrNiMnN 23-8 Stainless steels

Material group: Ferrous Alloys / Stainless steels
Country/Standard: Sweden / SS

Data updates

Latest Update: 2020-12
Total number of updates: 1
Update History

This material has 136 properties — only a subset is shown here.

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SS X 33 CrNiMnN 23-8 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.28 – 0.38
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
22.00 – 24.00
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
1.50 – 3.50
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
N
VALUE
val1
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UNIT
%
CAS NUMBER
7727-37-9; 17778-88-0
CRITERIA
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
CRITERIA
P
VALUE
val1
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UNIT
%
CAS NUMBER
7723-14-0
CRITERIA
S
VALUE
val1
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UNIT
%
CAS NUMBER
7704-34-9
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3
CRITERIA
Ti
VALUE
val1
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UNIT
%
CAS NUMBER
7440-32-6
CRITERIA
W
VALUE
val1
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UNIT
%
CAS NUMBER
7440-33-7

EN 10090: 1998 / Valve steels and alloys for internal combustion engines

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SS X 33 CrNiMnN 23-8 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 215 GPa
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Density
7.61 — 8.1 kg/dm³
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Poisson Coefficient
val1
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Thermal Conductivity
14.5 W/(m∙°C)
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Heat Capacity
val1
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J/(kg∙°C)
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This material has 136 properties — only a subset is shown here.

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SS X 33 CrNiMnN 23-8 Heat Treatments

  • Hot working: 1150-980°C;
    Solution annealing (quenching in water): 1150-1170°C;
    Precipitation hardening (cooling in air): 800-830°C (8 hours).

SS X 33 CrNiMnN 23-8 Mechanical Properties

Temperature

PROPERTY / VALUE
Yield Strength, Rp0.2
550 MPa
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Tensile Strength
850 — 1100 MPa
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Elongation, A
20 %
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Reduction of Area
val1
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%
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Rockwell Hardness (HR)
val1
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  • 52 Cross References
  • 11 Composition
  • 19 Mechanical Properties
  • 11 Physical Properties
  • 1 Heat Treatment
  • - Metallography
  • - Machinability
  • 1 Stress-Strain
  • - Formability
  • - Fatigue
  • - Fracture
  • - Creep
  • - Joints
  • - Coatings
  • - Dimensions
  • - Tribology
  • - Corrosion
  • - Ageing
  • - Weatherability
  • - Irradiation
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